+/*
+ Copyright (C) 2006-2008 by Intra2net AG
+ intra2net.com
+
+ The software in this package is distributed under the GNU General
+ Public License version 2 (with a special exception described below).
+
+ A copy of GNU General Public License (GPL) is included in this distribution,
+ in the file COPYING.GPL.
+
+ As a special exception, if other files instantiate templates or use macros
+ or inline functions from this file, or you compile this file and link it
+ with other works to produce a work based on this file, this file
+ does not by itself cause the resulting work to be covered
+ by the GNU General Public License.
+
+ However the source code for this file must still be made available
+ in accordance with section (3) of the GNU General Public License.
+
+ This exception does not invalidate any other reasons why a work based
+ on this file might be covered by the GNU General Public License.
+*/
+
#include <libxml++/libxml++.h>
#include <cassert>
#include <iostream>
#include <set>
#include <fstream>
+#include <list>
+#include <stdexcept>
+#include <string>
+#include <boost/lexical_cast.hpp>
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
-void print_indentation(unsigned int indentation)
+
+//! map group to class name
+std::string groupClass(const std::string &group)
{
- for(unsigned int i = 0; i < indentation; ++i)
- std::cout << " ";
+ return std::string("cmd_group_")+group;
}
-std::string
-toupper(std::string s) {
- for (unsigned i=0; i<s.length(); ++i) s[i]=toupper(s[i]);
- return s;
+//! convert string to upper case
+std::string toupper(std::string s)
+{
+ for (unsigned i=0; i<s.length(); ++i) s[i]=toupper(s[i]);
+ return s;
}
-std::string
-replace(std::string s, char f, char r) {
- for (unsigned i=0; i<s.length(); ++i) if (s[i]==f) s[i]=r;
- return s;
+//! replace all characters f by r in string s
+std::string replace(std::string s, char f, char r)
+{
+ for (unsigned i=0; i<s.length(); ++i) if (s[i]==f) s[i]=r;
+ return s;
}
-std::string
-strip(std::string s, std::string prefix)
+//! strip prefix from string s
+/*!
+ \return string s without prefix or an empty string on error
+ */
+std::string strip(std::string s, std::string prefix)
{
- std::string error;
- if ( (prefix.length()>s.length() ) || ( std::string(s,0,prefix.length())!=prefix ) ) return error;
- return std::string(s, prefix.length(), s.length()-prefix.length());
+ std::string error;
+ if ( (prefix.length()>s.length() ) || ( std::string(s,0,prefix.length())!=prefix ) ) return error;
+ return std::string(s, prefix.length(), s.length()-prefix.length());
}
//! get child element by id
*/
const xmlpp::Element* get_element_by_id(const xmlpp::Element* element, const std::string &id)
{
- const xmlpp::Attribute* cid = element->get_attribute("id");
- if ( cid && ( cid->get_value() == id)) return element;
-
- //Recurse through child nodes:
- xmlpp::Node::NodeList list = element->get_children();
- for(xmlpp::Node::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
- {
- const xmlpp::Element* element = dynamic_cast<const xmlpp::Element*>(*iter);
- if (element) {
- const xmlpp::Element* match = get_element_by_id(element, id);
- if (match) return match;
- }
- }
- return NULL;
+ const xmlpp::Attribute* cid = element->get_attribute("id");
+ if ( cid && ( cid->get_value() == id)) return element;
+
+ //Recurse through child nodes:
+ xmlpp::Node::NodeList list = element->get_children();
+ for (xmlpp::Node::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
+ {
+ const xmlpp::Element* element = dynamic_cast<const xmlpp::Element*>(*iter);
+ if (element)
+ {
+ const xmlpp::Element* match = get_element_by_id(element, id);
+ if (match) return match;
+ }
+ }
+ return NULL;
+}
+
+std::string get_file(const xmlpp::Element* root, const std::string &file_id)
+{
+ std::string error;
+ const xmlpp::Element* e=get_element_by_id(root, file_id);
+ if ((!e)||(!e->get_attribute("name"))) return error;
+ return e->get_attribute("name")->get_value();
}
//! get namespace by id
*/
std::string get_namespace(const xmlpp::Element* root, const std::string &id)
{
- std::string error;
- const xmlpp::Element* element(get_element_by_id(root, id));
- if ((!element)||(!element->get_attribute("name"))) return error;
- return element->get_attribute("name")->get_value();
+ std::string error;
+ const xmlpp::Element* element(get_element_by_id(root, id));
+ // [RP:20071024]: use "demangled" attribute instead of "name" to cover nested namespaces:
+ if ((!element)||(!element->get_attribute("demangled"))) return error;
+ return element->get_attribute("demangled")->get_value();
}
+//! procedure marked for export?
+bool is_marked(const std::string &attrs)
+{
+ // todo: improve this
+ std::string to_match("gccxml(libt2n-");
+ std::string::size_type p(attrs.find(to_match));
+ return (p!=std::string::npos);
+}
struct type_info
{
- std::string name;
- std::string noref_name;
- bool operator==(const type_info& o) {return (name==o.name) && (noref_name == o.noref_name);}
- std::string noref() const {return noref_name;}
+ std::string name;
+ std::string noref_name;
+ bool operator==(const type_info& o) {return (name==o.name) && (noref_name == o.noref_name);}
+ std::string noref() const {return noref_name.empty() ? name : noref_name;}
+ bool isVoid() const {return name=="void";}
};
-std::ostream &operator<<(std::ostream &o, const type_info &t) {
- o << t.name;
- return o;
+std::ostream &operator<<(std::ostream &o, const type_info &t)
+{
+ o << t.name;
+ return o;
}
+struct parse_error : public std::runtime_error
+{
+ parse_error(const std::string &file, unsigned line, const std::string &msg)
+ : std::runtime_error(file+":"+boost::lexical_cast<std::string>(line)+": error: "+msg)
+ {}
+};
+
//! get type by id
/*!
\return type name or empty string on error
*/
type_info get_type(const xmlpp::Element* root, const std::string &id)
{
- type_info error;
- const xmlpp::Element* element(get_element_by_id(root, id));
- if (!element) return error;
-
- // TODO: not yet complete
- // if we recurse - when do we stop?
- // if it is a typedef? yes? (hmm if the typedef is in the file parsed this will not work)
-
- // TODO: const and reference types (perhaps it is good enough to remove the const and &?)
- // non-const reference types/pointers (output error message? not yet supported)
-
- std::string tag(element->get_name());
- if (tag=="ReferenceType") {
- assert(element->get_attribute("type"));
- type_info ret(get_type(root, element->get_attribute("type")->get_value()));
- if (ret==error) return error;
- // at the moment we only support const &
- // todo: nice error message!
- if ((ret.noref_name=strip(ret.name,"const ")).empty()) return error;
- ret.name=ret.name+"&";
- return ret;
- }else if (tag=="CvQualifiedType") {
- assert(element->get_attribute("type"));
- type_info ret(get_type(root, element->get_attribute("type")->get_value()));
- if (ret==error) return error;
- ret.name=std::string("const ")+ret.name;
- return ret;
- }
-
- assert(element->get_attribute("name"));
- assert(element->get_attribute("context"));
- type_info ret;
- ret.name=get_namespace(root, element->get_attribute("context")->get_value())+"::"+element->get_attribute("name")->get_value();
- return ret;
+ type_info error;
+ const xmlpp::Element* element(get_element_by_id(root, id));
+ if (!element) return error;
+
+ // TODO: not yet complete
+ // if we recurse - when do we stop?
+ // if it is a typedef? yes? (hmm if the typedef is in the file parsed this will not work)
+
+ // TODO: const and reference types handling is a ugly hack
+
+ std::string tag(element->get_name());
+ if (tag=="ReferenceType")
+ {
+ assert(element->get_attribute("type"));
+ type_info ret(get_type(root, element->get_attribute("type")->get_value()));
+ if (ret==error) return error;
+ // at the moment we only support const &
+ // todo: nice error message!
+ if ((ret.noref_name=strip(ret.name,"const ")).empty()) return error;
+ ret.name=ret.name+"&";
+ return ret;
+ }
+ else if (tag=="CvQualifiedType")
+ {
+ assert(element->get_attribute("type"));
+ type_info ret(get_type(root, element->get_attribute("type")->get_value()));
+ if (ret==error) return error;
+ ret.name=std::string("const ")+ret.name;
+ return ret;
+ }
+ else if (tag=="PointerType")
+ {
+ // todo: nearly the same as reference type handling
+ assert(element->get_attribute("type"));
+ type_info ret(get_type(root, element->get_attribute("type")->get_value()));
+ if (ret==error) return error;
+ // at the moment we only support const &
+ // todo: nice error message!
+ if ((ret.noref_name=strip(ret.name,"const ")).empty()) return error;
+ ret.name=ret.name+"*";
+ return ret;
+ }
+
+ assert(element->get_attribute("name"));
+ type_info ret;
+ if (element->get_attribute("context"))
+ {
+ ret.name=get_namespace(root, element->get_attribute("context")->get_value());
+ if (ret.name!="::")
+ ret.name+="::";
+ else
+ // do not explicitely add ::
+ ret.name="";
+ }
+ ret.name+=element->get_attribute("name")->get_value();
+ return ret;
}
+struct Arg
+{
+ std::string name;
+ type_info type;
+ std::string defaultArg;
+};
+
struct t2n_procedure
{
- typedef std::map<std::string, type_info> Args;
-
- std::string group;
- type_info ret_type;
- std::string name;
- Args args;
-
- std::string ret_classname() const {
- return name+"_res";
- }
- std::string cmd_classname() const {
- return name+"_cmd";
- }
+ typedef std::list<Arg> Args;
+
+ type_info ret_type;
+ std::string name;
+ std::string mangled;
+ Args args;
+
+ std::string ret_classname() const
+ {
+ return name+mangled+"_res";
+ }
+ std::string cmd_classname() const
+ {
+ return name+mangled+"_cmd";
+ }
+ bool hasReturn() const {return !ret_type.isVoid();}
};
-std::ostream &operator<<(std::ostream &o, const t2n_procedure::Args &args) {
- for (t2n_procedure::Args::const_iterator it=args.begin();it!=args.end();++it) {
- if (it!=args.begin()) o << ", ";
- o << it->second << " " << it->first;
- }
- return o;
+std::ostream &operator<<(std::ostream &o, const t2n_procedure::Args &args)
+{
+ for (t2n_procedure::Args::const_iterator it=args.begin();it!=args.end();++it)
+ {
+ if (it!=args.begin()) o << ", ";
+ o << it->type << " " << it->name;
+
+ if (!it->defaultArg.empty())
+ o << "=" << it->defaultArg;
+ }
+ return o;
+}
+
+std::ostream &operator<<(std::ostream &o, const t2n_procedure &f)
+{
+ o << f.ret_type << " " << f.name << "(" << f.args << ")";
+ return o;
+}
+
+std::pair<std::string, unsigned>
+get_file_and_line(const xmlpp::Element* root, const xmlpp::Element* element)
+{
+ return std::pair<std::string, unsigned>(get_file(root, element->get_attribute("file")->get_value()),
+ boost::lexical_cast<unsigned>(element->get_attribute("line")->get_value())-1);
}
-std::ostream &operator<<(std::ostream &o, const t2n_procedure &f) {
- o << f.ret_type << " " << f.name << "(" << f.args << ")";
- return o;
+std::string get_file_and_line_as_string(const xmlpp::Element* root, const xmlpp::Element* element)
+{
+ std::pair<std::string, unsigned> fl(get_file_and_line(root,element));
+ return std::string(fl.first)+":"+boost::lexical_cast<std::string>(fl.second);
}
class Parser
{
public:
- Parser(const std::string &fname) : m_fname(fname) {}
-
- std::list<t2n_procedure> get_procedures() {
- xmlpp::DomParser parser;
- // parser.set_validate();
- parser.set_substitute_entities(); //We just want the text to be resolved/unescaped automatically.
- parser.parse_file(m_fname);
- if(parser)
- {
- //Walk the tree:
- const xmlpp::Node* pNode = parser.get_document()->get_root_node(); //deleted by DomParser.
- const xmlpp::Element* root = dynamic_cast<const xmlpp::Element*>(pNode);
- assert(root);
- visit_node(root);
- }
- return m_procedures;
- }
+ Parser(const std::string &fname) : m_fname(fname) {}
+
+ std::list<t2n_procedure> get_procedures()
+ {
+ xmlpp::DomParser parser;
+ // parser.set_validate();
+ parser.set_substitute_entities(); //We just want the text to be resolved/unescaped automatically.
+ parser.parse_file(m_fname);
+ if (parser)
+ {
+ //Walk the tree:
+ const xmlpp::Node* pNode = parser.get_document()->get_root_node(); //deleted by DomParser.
+ const xmlpp::Element* root = dynamic_cast<const xmlpp::Element*>(pNode);
+ assert(root);
+ visit_node(root);
+ }
+ return m_procedures;
+ }
protected:
- std::string m_fname;
- std::list<t2n_procedure> m_procedures;
-
- void parse_function(const xmlpp::Element* root, const xmlpp::Node* node) {
- const xmlpp::Element* element = dynamic_cast<const xmlpp::Element*>(node);
- if (!element) return;
-
- const xmlpp::Attribute* attributes = element->get_attribute("attributes");
- const xmlpp::Attribute* name = element->get_attribute("name");
- const xmlpp::Attribute* returns = element->get_attribute("returns");
- if ((!attributes)||(!name)||(!returns)) return;
-
- // check wether the procedure is marked (TODO: improve)
- // attributes are speparated by spaces?
- if (attributes->get_value().find("gccxml(libt2n")==std::string::npos) return;
-
- // TODO: extract command group
- // something like: sed 's,gccxml(libt2n-\([a-z]*}),\1,'
- t2n_procedure f;
- f.group=("default");
-
- // we need the return type
- f.ret_type=get_type(root, returns->get_value());
- f.name=name->get_value();
-
- xmlpp::Node::NodeList list = node->get_children("Argument");
- for(xmlpp::Node::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
- {
- const xmlpp::Element* arg = dynamic_cast<const xmlpp::Element*>(*iter);
- if ( arg ) {
- assert(arg->get_name() == "Argument");
- assert(arg->get_attribute("name"));
- assert(arg->get_attribute("type"));
- assert(f.args.find(arg->get_attribute("name")->get_value())==f.args.end());
- f.args[arg->get_attribute("name")->get_value()]=get_type(root, arg->get_attribute("type")->get_value());
- }
- }
- m_procedures.push_back(f);
- }
-
- void visit_node(const xmlpp::Element* root, const xmlpp::Node* node = NULL, unsigned int indentation = 0)
- {
- if (!node) node=root;
-
- const xmlpp::ContentNode* nodeContent = dynamic_cast<const xmlpp::ContentNode*>(node);
- const xmlpp::TextNode* nodeText = dynamic_cast<const xmlpp::TextNode*>(node);
- const xmlpp::CommentNode* nodeComment = dynamic_cast<const xmlpp::CommentNode*>(node);
-
- if(nodeText && nodeText->is_white_space()) //Let's ignore the indenting - you don't always want to do this.
- return;
-
- std::string nodename = node->get_name();
-
- if(!nodeText && !nodeComment && !nodename.empty()) //Let's not say "name: text".
- {
- // print_indentation(indentation);
- // std::cout << "Node name = " << node->get_name() << std::endl;
- // std::cout << "Node name = " << nodename << std::endl;
- if (node->get_name() == "Function") {
- parse_function(root, node);
- }
- }
-#if 0
- else if(nodeText) //Let's say when it's text. - e.g. let's say what that white space is.
- {
- print_indentation(indentation);
- std::cout << "Text Node" << std::endl;
- }
-
- //Treat the various node types differently:
- if(nodeText)
- {
- print_indentation(indentation);
- std::cout << "text = \"" << nodeText->get_content() << "\"" << std::endl;
- }
- else if(nodeComment)
- {
- print_indentation(indentation);
- std::cout << "comment = " << nodeComment->get_content() << std::endl;
- }
- else if(nodeContent)
- {
- print_indentation(indentation);
- std::cout << "content = " << nodeContent->get_content() << std::endl;
- }
- else if(const xmlpp::Element* nodeElement = dynamic_cast<const xmlpp::Element*>(node))
- {
- //A normal Element node:
-
- //line() works only for ElementNodes.
- print_indentation(indentation);
- std::cout << " line = " << node->get_line() << std::endl;
-
- //Print attributes:
- const xmlpp::Element::AttributeList& attributes = nodeElement->get_attributes();
- for(xmlpp::Element::AttributeList::const_iterator iter = attributes.begin(); iter != attributes.end(); ++iter)
- {
- const xmlpp::Attribute* attribute = *iter;
- print_indentation(indentation);
- std::cout << " Attribute " << attribute->get_name() << " = " << attribute->get_value() << std::endl;
- }
-
- const xmlpp::Attribute* attribute = nodeElement->get_attribute("title");
- if(attribute)
- {
- std::cout << "title found: =" << attribute->get_value() << std::endl;
-
- }
- }
-#endif
- if(!nodeContent)
- {
- //Recurse through child nodes:
- xmlpp::Node::NodeList list = node->get_children();
- for(xmlpp::Node::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
- {
- visit_node(root, *iter, indentation + 2); //recursive
- }
- }
- }
+ std::string m_fname;
+ std::list<t2n_procedure> m_procedures;
+
+ void parse_function(const xmlpp::Element* root, const xmlpp::Node* node)
+ {
+ const xmlpp::Element* element = dynamic_cast<const xmlpp::Element*>(node);
+ if (!element) return;
+
+ const xmlpp::Attribute* attributes = element->get_attribute("attributes");
+ const xmlpp::Attribute* name = element->get_attribute("name");
+ const xmlpp::Attribute* mangled = element->get_attribute("mangled");
+ const xmlpp::Attribute* returns = element->get_attribute("returns");
+ if ((!attributes)||(!name)||(!mangled)||(!returns)) return;
+
+ // check wether the procedure is marked (TODO: improve)
+ // attributes are speparated by spaces?
+
+ t2n_procedure f;
+ if (!is_marked(attributes->get_value())) return;
+
+ // we need the return type
+ f.ret_type=get_type(root, returns->get_value());
+ f.name=name->get_value();
+ f.mangled=mangled->get_value();
+
+ xmlpp::Node::NodeList list = node->get_children("Argument");
+ for (xmlpp::Node::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
+ {
+ const xmlpp::Element* arg = dynamic_cast<const xmlpp::Element*>(*iter);
+ if ( arg )
+ {
+ struct Arg a;
+
+ assert(arg->get_name() == "Argument");
+
+ assert(arg->get_attribute("name"));
+ a.name=arg->get_attribute("name")->get_value();
+
+ assert(arg->get_attribute("type"));
+ a.type=get_type(root, arg->get_attribute("type")->get_value());
+
+ // this would be the nice way of solving the problem of default arguments
+ // but currently the output of gccxml is unreliable (e.g. namespace only
+ // sometimes available)
+ // if(arg->get_attribute("default"))
+ // a.defaultArg=arg->get_attribute("default")->get_value();
+
+ // so we need to get the def. arg. via attribute
+ // which is previously set by the macro LIBT2N_DEFAULT_ARG(type,value)
+ if(arg->get_attribute("attributes"))
+ {
+ std::string attr=arg->get_attribute("attributes")->get_value();
+ const std::string look_for = "gccxml(libt2n-default-arg,";
+
+ if (attr.compare(0,look_for.size(),look_for) == 0)
+ a.defaultArg=attr.substr(look_for.size(),attr.size()-look_for.size()-1);
+ }
+
+ // todo: ugly - could be any other error
+ if (a.type.name.empty())
+ {
+ assert(element->get_attribute("file"));
+ assert(element->get_attribute("line"));
+ std::pair<std::string, unsigned> file_and_line(get_file_and_line(root, element));
+ throw parse_error(file_and_line.first,
+ file_and_line.second,
+ std::string("type of parameter '")+a.name+"' not (yet?) supported");
+ }
+
+ f.args.push_back(a);
+ }
+ }
+ std::cerr << get_file_and_line_as_string(root, element) << ":\texport procedure: " << f << std::endl;
+ m_procedures.push_back(f);
+ }
+
+ void visit_node(const xmlpp::Element* root, const xmlpp::Node* node = NULL, unsigned int indentation = 0)
+ {
+ if (!node) node=root;
+
+ const xmlpp::ContentNode* nodeContent = dynamic_cast<const xmlpp::ContentNode*>(node);
+ const xmlpp::TextNode* nodeText = dynamic_cast<const xmlpp::TextNode*>(node);
+ const xmlpp::CommentNode* nodeComment = dynamic_cast<const xmlpp::CommentNode*>(node);
+
+ if (nodeText && nodeText->is_white_space()) //Let's ignore the indenting - you don't always want to do this.
+ return;
+
+ std::string nodename = node->get_name();
+
+ if (!nodeText && !nodeComment && !nodename.empty()) //Let's not say "name: text".
+ {
+ if (node->get_name() == "Function") parse_function(root, node);
+ }
+ if (!nodeContent)
+ {
+ //Recurse through child nodes:
+ xmlpp::Node::NodeList list = node->get_children();
+ for (xmlpp::Node::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
+ {
+ visit_node(root, *iter, indentation + 2); //recursive
+ }
+ }
+ }
};
-//! find used groups
-std::set<std::string>
-used_groups(const std::list<t2n_procedure> &funcs) {
- typedef std::set<std::string> Groups;
- Groups groups;
- for (std::list<t2n_procedure>::const_iterator it=funcs.begin();it!=funcs.end();++it)
- // since we use std::set each group is inserted only once
- groups.insert(it->group);
- return groups;
+void output_common_hpp(std::ostream &o, const std::string &group, const std::list<t2n_procedure> &procs)
+{
+ o << "class " << groupClass(group) << " : public libt2n::command\n"
+ << "{\n"
+ << "private:\n"
+ << " friend class boost::serialization::access;\n"
+ << " template<class Archive>\n"
+ << " void serialize(Archive & ar, const unsigned int /* version */)\n"
+ << " {ar & BOOST_SERIALIZATION_BASE_OBJECT_NVP(libt2n::command);}\n"
+ << "};\n";
+
+ for (std::list<t2n_procedure>::const_iterator it=procs.begin();it!=procs.end();++it)
+ {
+ o << "class " << it->ret_classname() << " : public libt2n::result\n"
+ << "{\n"
+ << "private:\n";
+ if (it->hasReturn())
+ o << " " << it->ret_type << " res;\n";
+ o << " friend class boost::serialization::access;\n"
+ << " template<class Archive>\n"
+ << " void serialize(Archive & ar, const unsigned int /* version */)\n"
+ << " {\n"
+ << " ar & BOOST_SERIALIZATION_BASE_OBJECT_NVP(libt2n::result);\n";
+ if (it->hasReturn())
+ o << " ar & BOOST_SERIALIZATION_NVP(res);\n";
+ o << " }\n"
+ << "public:\n"
+ << " " << it->ret_classname() << "() {}\n";
+ if (it->hasReturn())
+ {
+ o << " " << it->ret_classname() << "(const " << it->ret_type << " &_res) : res(_res) {}\n"
+ << " " << it->ret_type << " get_data() { return res; }\n";
+ }
+ o << "};\n";
+ }
+ for (std::list<t2n_procedure>::const_iterator it=procs.begin();it!=procs.end();++it)
+ {
+ o << "class " << it->cmd_classname() << " : public " << groupClass(group) << "\n"
+ << "{\n"
+ << "private:\n";
+ for (t2n_procedure::Args::const_iterator ait=it->args.begin();ait!=it->args.end();++ait)
+ {
+ o << " " << ait->type.noref() << " " << ait->name << ";\n";
+ }
+ o << " friend class boost::serialization::access;\n"
+ << " template<class Archive>\n"
+ << " void serialize(Archive & ar, const unsigned int /* version */)\n"
+ << " {\n"
+ << " ar & BOOST_SERIALIZATION_BASE_OBJECT_NVP(" << groupClass(group) << ");\n";
+ for (t2n_procedure::Args::const_iterator ait=it->args.begin();ait!=it->args.end();++ait)
+ {
+ o << " ar & BOOST_SERIALIZATION_NVP(" << ait->name << ");\n";
+ }
+
+ // default constructor
+ o << " }\n"
+ << "\n"
+ << "public:\n"
+ << " " << it->cmd_classname() << "() {}\n";
+
+ // constructor taking all arguments
+ if (!it->args.empty())
+ {
+ o << " " << it->cmd_classname() << "(";
+ for (t2n_procedure::Args::const_iterator ait=it->args.begin();ait!=it->args.end();++ait)
+ {
+ if (ait!=it->args.begin()) o << ", ";
+ o << ait->type << " _" << ait->name;
+ }
+ o << ") : ";
+ for (t2n_procedure::Args::const_iterator ait=it->args.begin();ait!=it->args.end();++ait)
+ {
+ if (ait!=it->args.begin()) o << ", ";
+ // pointers are const pointers and must be dereferenced
+ o << ait->name << "(" << ((ait->type.name.find_first_of('*')!=std::string::npos) ? "*" : "" ) << "_" << ait->name << ")";
+ }
+ o << " {}\n";
+ }
+ o << " libt2n::result* operator()();\n"
+ << "};\n";
+ }
}
-void output_common_hpp(std::ostream &o, const std::list<t2n_procedure> &procs) {
- std::set<std::string> groups(used_groups(procs));
-
- o << "#include \"codegen-stubhead.hxx\"\n";
- for (std::set<std::string>::iterator it=groups.begin();it!=groups.end();++it) {
- o << "class cmd_group_" << *it << " : public libt2n::command\n"
- << "{\n"
- << "private:\n"
- << " friend class boost::serialization::access;\n"
- << " template<class Archive>\n"
- << " void serialize(Archive & ar, const unsigned int version)\n"
- << " {ar & BOOST_SERIALIZATION_BASE_OBJECT_NVP(libt2n::command);}\n"
- << "};\n";
- }
-
- for (std::list<t2n_procedure>::const_iterator it=procs.begin();it!=procs.end();++it) {
- o << "class " << it->ret_classname() << " : public libt2n::result\n"
- << "{\n"
- << "private:\n"
- << " " << it->ret_type << " res;\n"
- << " friend class boost::serialization::access;\n"
- << " template<class Archive>\n"
- << " void serialize(Archive & ar, const unsigned int version)\n"
- << " {\n"
- << " ar & BOOST_SERIALIZATION_BASE_OBJECT_NVP(libt2n::result);\n"
- << " ar & BOOST_SERIALIZATION_NVP(res);\n"
- << " }\n"
- << "public:\n"
- << " " << it->ret_classname() << "() {}\n"
- << " " << it->ret_classname() << "(const " << it->ret_type << " &_res) : res(_res) {}\n"
- << " " << it->ret_type << " get_data() { return res; }\n"
- << "};\n";
- }
- for (std::list<t2n_procedure>::const_iterator it=procs.begin();it!=procs.end();++it) {
- o << "class " << it->cmd_classname() << " : public " << "cmd_group_" << it->group << "\n"
- << "{\n"
- << "private:\n";
- for (t2n_procedure::Args::const_iterator ait=it->args.begin();ait!=it->args.end();++ait) {
- o << " " << ait->second.noref() << " " << ait->first << ";\n";
- }
- o << " friend class boost::serialization::access;\n"
- << " template<class Archive>\n"
- << " void serialize(Archive & ar, const unsigned int version)\n"
- << " {\n"
- << " ar & BOOST_SERIALIZATION_BASE_OBJECT_NVP(cmd_group_" << it->group << ");\n";
- for (t2n_procedure::Args::const_iterator ait=it->args.begin();ait!=it->args.end();++ait) {
- o << " ar & BOOST_SERIALIZATION_NVP(" << ait->first << ");\n";
- }
-
- // default constructor
- o << " }\n"
- << "\n"
- << "public:\n"
- << " " << it->cmd_classname() << "() {}\n";
-
- // constructor taking all arguments
- o << " " << it->cmd_classname() << "(";
- for (t2n_procedure::Args::const_iterator ait=it->args.begin();ait!=it->args.end();++ait) {
- if (ait!=it->args.begin()) o << ", ";
- o << ait->second << " _" << ait->first;
- }
- o << ") : ";
- for (t2n_procedure::Args::const_iterator ait=it->args.begin();ait!=it->args.end();++ait) {
- if (ait!=it->args.begin()) o << ", ";
- o << ait->first << "(_" << ait->first << ")";
- }
- o << " {}\n"
- << " libt2n::result* operator()();\n"
- << "};\n";
- }
+void output_common_cpp(std::ostream &o, const std::string &group, const std::list<t2n_procedure> &procs, const std::string &common_hpp)
+{
+ o << "#include \"" << common_hpp << "\"\n"
+ << "#include <boost/serialization/export.hpp>\n"
+ << "\n"
+ << "/* register types with boost serialization */\n";
+ o << "BOOST_CLASS_EXPORT(" << groupClass(group) << ")\n";
+ for (std::list<t2n_procedure>::const_iterator it=procs.begin();it!=procs.end();++it)
+ {
+ o << "BOOST_CLASS_EXPORT("<<it->ret_classname()<<")\n"
+ << "BOOST_CLASS_EXPORT("<<it->cmd_classname()<<")\n";
+ }
}
-void output_common_cpp(std::ostream &o, const std::list<t2n_procedure> &procs, const std::string &common_hpp) {
- std::set<std::string> groups(used_groups(procs));
-
- o << "#include \"" << common_hpp << "\"\n"
- << "#include <boost/serialization/export.hpp>\n"
- << "\n"
- << "/* register types with boost serialization */\n";
- for (std::set<std::string>::iterator it=groups.begin();it!=groups.end();++it) {
- o << "BOOST_CLASS_EXPORT(cmd_group_" << *it << ")\n";
- }
- for (std::list<t2n_procedure>::const_iterator it=procs.begin();it!=procs.end();++it) {
- o << "BOOST_CLASS_EXPORT("<<it->ret_classname()<<")\n"
- << "BOOST_CLASS_EXPORT("<<it->cmd_classname()<<")\n";
- }
+void output_client_hpp(std::ostream &o, const std::string &group, const std::list<t2n_procedure> &procs)
+{
+ o << "#include <command_client.hxx>\n";
+
+ o << "class " << groupClass(group) << "_client : public libt2n::command_client\n"
+ << "{\n"
+ << "public:\n"
+ << groupClass(group) << "_client(libt2n::client_connection *_c,\n"
+ << " long long _command_timeout_usec=command_timeout_usec_default,\n"
+ << " long long _hello_timeout_usec=hello_timeout_usec_default)\n"
+ << " : libt2n::command_client(_c,_command_timeout_usec,_hello_timeout_usec)\n"
+ << " {}\n";
+ for (std::list<t2n_procedure>::const_iterator pit=procs.begin();pit!=procs.end();++pit)
+ {
+ o << " " << *pit << ";\n";
+ }
+ o << "};\n";
}
-void output_client_hpp(std::ostream &o, const std::list<t2n_procedure> &procs) {
- std::set<std::string> groups(used_groups(procs));
-
- o << "#include <command_client.hxx>\n";
-
- for (std::set<std::string>::iterator it=groups.begin();it!=groups.end();++it) {
- o << "class cmd_group_" << *it << "_client : public libt2n::command_client\n"
- << "{\n"
- << "public:\n"
- << "cmd_group_" << *it << "_client(libt2n::client_connection &_c,\n"
- << " long long _command_timeout_usec=command_timeout_usec_default,\n"
- << " long long _hello_timeout_usec=hello_timeout_usec_default)\n"
- << " : libt2n::command_client(_c,_command_timeout_usec,_hello_timeout_usec)\n"
- << " {}\n";
- for (std::list<t2n_procedure>::const_iterator pit=procs.begin();pit!=procs.end();++pit) {
- if (pit->group==*it) {
- o << " " << *pit << ";\n";
- }
- }
- o << "};\n";
- }
+void output_client_cpp(std::ostream &o, const std::string &group, const std::list<t2n_procedure> &procs, const std::string &common_hpp, const std::string &common_cpp, const std::string &client_hpp)
+{
+ o << "#include \"" << client_hpp << "\"\n"
+ << "#include \"" << common_hpp << "\"\n"
+ << "// fake\n";
+ for (std::list<t2n_procedure>::const_iterator it=procs.begin();it!=procs.end();++it)
+ {
+ o << "libt2n::result* " << it->cmd_classname() << "::operator()() { return NULL; }\n";
+ }
+
+ for (std::list<t2n_procedure>::const_iterator pit=procs.begin();pit!=procs.end();++pit)
+ {
+ o << pit->ret_type << " " << groupClass(group) << "_client::" << pit->name << "(";
+
+ // we need to do this by hand here because we don't want default arguments within the cpp
+ for (t2n_procedure::Args::const_iterator xit=pit->args.begin();xit!=pit->args.end();++xit)
+ {
+ if (xit!=pit->args.begin())
+ o << ", ";
+ o << xit->type << " " << xit->name;
+ }
+
+ o << ")\n"
+ << "{\n"
+ << " libt2n::result_container rc;\n"
+ << " send_command(new " << pit->cmd_classname() << "(";
+ for (t2n_procedure::Args::const_iterator ait=pit->args.begin();ait!=pit->args.end();++ait)
+ {
+ if (ait!=pit->args.begin()) o << ", ";
+ o << ait->name;
+ }
+ o << "), rc);\n"
+ << " " << pit->ret_classname() << "* res=dynamic_cast<" << pit->ret_classname() << "*>(rc.get_result());\n"
+ << " if (!res) throw libt2n::t2n_communication_error(\"result object of wrong type\");\n";
+ if (pit->hasReturn())
+ o << " return res->get_data();\n";
+ o << "}\n";
+ }
+
+ // include in this compilation unit to ensure the compilation unit is used
+ // see also:
+ // http://www.google.de/search?q=g%2B%2B+static+initializer+in+static+library
+ o << "#include \"" << common_cpp << "\"\n";
}
-void output_client_cpp(std::ostream &o, const std::list<t2n_procedure> &procs, const std::string &common_hpp, const std::string &common_cpp, const std::string &client_hpp) {
- std::set<std::string> groups(used_groups(procs));
-
- o << "#include \"" << client_hpp << "\"\n"
- << "#include \"" << common_hpp << "\"\n"
- << "// fake\n";
- for (std::list<t2n_procedure>::const_iterator it=procs.begin();it!=procs.end();++it) {
- o << "libt2n::result* " << it->cmd_classname() << "::operator()() { return NULL; }\n";
- }
-
- for (std::set<std::string>::iterator it=groups.begin();it!=groups.end();++it) {
- for (std::list<t2n_procedure>::const_iterator pit=procs.begin();pit!=procs.end();++pit) {
- if (pit->group==*it) {
- o << pit->ret_type << " cmd_group_" << *it << "_client::" << pit->name << "(" << pit->args << ")\n"
- << "{\n"
- << " libt2n::result_container rc;\n"
- << " send_command(new " << pit->cmd_classname() << "(";
- for (t2n_procedure::Args::const_iterator ait=pit->args.begin();ait!=pit->args.end();++ait) {
- if (ait!=pit->args.begin()) o << ", ";
- o << ait->first;
- }
- o << "), rc);\n"
- << " " << pit->ret_classname() << "* res=dynamic_cast<" << pit->ret_classname() << "*>(rc.get_result());\n"
- << " if (!res) throw libt2n::t2n_communication_error(\"result object of wrong type\");\n"
- << " return res->get_data();\n"
- << "}\n";
- }
- }
- }
-
- // include in this compilation unit to ensure the compilation unit is used
- // see also:
- // http://www.google.de/search?q=g%2B%2B+static+initializer+in+static+library
- o << "#include \"" << common_cpp << "\"\n";
+void output_server_hpp(std::ostream &o, const std::string & /* group */, const std::list<t2n_procedure> &procs, const std::string &common_hpp)
+{
+ o << "#include \"" << common_hpp << "\"\n";
+
+ // output function declarations
+ for (std::list<t2n_procedure>::const_iterator it=procs.begin();it!=procs.end();++it)
+ o << *it << ";\n";
}
-void output_server_cpp(std::ostream &o, const std::list<t2n_procedure> &procs, const std::string &common_hpp, const std::string &common_cpp) {
- o << "#include \"" << common_hpp << "\"\n";
-
- for (std::list<t2n_procedure>::const_iterator it=procs.begin();it!=procs.end();++it) {
- o << *it << ";\n";
- o << "libt2n::result* " << it->cmd_classname() << "::operator()() { return new " << it->ret_classname() << "(" << it->name << "(";
- for (t2n_procedure::Args::const_iterator ait=it->args.begin();ait!=it->args.end();++ait) {
- if (ait!=it->args.begin()) o << ", ";
- o << ait->first;
- }
- o << ")); }\n";
- }
- o << "#include \"" << common_cpp << "\"\n";
+void output_server_cpp(std::ostream &o, const std::string &group, const std::list<t2n_procedure> &procs, const std::string &common_hpp, const std::string &common_cpp)
+{
+ o << "#include \"" << common_hpp << "\"\n";
+
+ for (std::list<t2n_procedure>::const_iterator it=procs.begin();it!=procs.end();++it)
+ {
+ o << *it << ";\n";
+ o << "libt2n::result* " << it->cmd_classname() << "::operator()() { ";
+
+ if (it->hasReturn())
+ o << "return new " << it->ret_classname() << "(";
+
+ // output function name and args
+ o << it->name << "(";
+ for (t2n_procedure::Args::const_iterator ait=it->args.begin();ait!=it->args.end();++ait)
+ {
+ if (ait!=it->args.begin()) o << ", ";
+ // get pointer
+ if (ait->type.name.find_first_of('*')!=std::string::npos)
+ o << '&';
+ o << ait->name;
+ }
+
+ if (it->hasReturn())
+ o << "));";
+ else
+ o << "); return new " << it->ret_classname() << "();";
+
+ o << " }\n";
+ }
+ o << "#include \"" << common_cpp << "\"\n";
}
struct header_file : public std::ofstream
{
- header_file(const char* fname) : std::ofstream(fname) {
- std::cerr << "create header: '" << fname << "'" << std::endl;
- std::string macro(replace(toupper(fname),'.','_'));
- *this << "// automatically generated code - do not edit\n" << std::endl;
- *this << "#ifndef " << macro << "\n"
- << "#define " << macro << "\n";
- }
- ~header_file() {
- *this << "#endif" << std::endl;
- }
+ header_file(const char* fname) : std::ofstream(fname)
+ {
+ std::cerr << "create header: '" << fname << "'" << std::endl;
+ std::string macro(replace(toupper(fname),'.','_'));
+ *this << "// automatically generated code (generated by libt2n-codegen " << VERSION << ") - do not edit\n" << std::endl;
+ *this << "#ifndef " << macro << "\n"
+ << "#define " << macro << "\n";
+ }
+ ~header_file()
+ {
+ *this << "#endif" << std::endl;
+ }
};
struct cpp_file : public std::ofstream
{
- cpp_file(const char* fname) : std::ofstream(fname) {
- std::cerr << "create cpp: '" << fname << "'" << std::endl;
- *this << "// automatically generated code - do not edit\n" << std::endl;
- }
+ cpp_file(const char* fname) : std::ofstream(fname)
+ {
+ std::cerr << "create cpp: '" << fname << "'" << std::endl;
+ *this << "// automatically generated code - do not edit\n" << std::endl;
+ }
};
int
main(int argc, char* argv[])
{
- if (argc != 3) {
- std::cerr << "Usage: " << argv[0] << " gccxml-file outputprefix" << std::endl;
- return 1;
- }
- std::string filepath(argv[1]);
- std::string prefix(argv[2]);
-
- Parser parser(filepath);
- std::list<t2n_procedure> procedures(parser.get_procedures());
-
- std::cerr << "Procedures:" << std::endl;
- for (std::list<t2n_procedure>::const_iterator it=procedures.begin();it!=procedures.end();++it)
- std::cerr << *it << ";" << std::endl;
-
- std::set<std::string> groups(used_groups(procedures));
- std::cerr << "Used groups:" << std::endl;
- for (std::set<std::string>::const_iterator it=groups.begin();it!=groups.end();++it)
- std::cerr << *it << std::endl;
-
- std::string common_hpp_fname(prefix+"common.hxx");
- std::string common_cpp_fname(prefix+"common.cpp");
- std::string client_hpp_fname(prefix+"client.hxx");
- std::string client_cpp_fname(prefix+"client.cpp");
- std::string server_cpp_fname(prefix+"server.cpp");
-
- header_file common_hpp(common_hpp_fname.c_str());
- output_common_hpp(common_hpp, procedures);
-
- cpp_file common_cpp(common_cpp_fname.c_str());
- output_common_cpp(common_cpp, procedures, common_hpp_fname);
-
- header_file client_hpp(client_hpp_fname.c_str());
- output_client_hpp(client_hpp, procedures);
-
- cpp_file client_cpp(client_cpp_fname.c_str());
- output_client_cpp(client_cpp, procedures, common_hpp_fname, common_cpp_fname, client_hpp_fname);
-
- cpp_file server_cpp(server_cpp_fname.c_str());
- output_server_cpp(server_cpp, procedures, common_hpp_fname, common_cpp_fname);
- return 0;
+ // todo: maybe use getopt
+ if ((argc>1)&&(std::string(argv[1])=="--version"))
+ {
+ std::cerr << VERSION << std::endl;
+ return 0;
+ }
+ if (argc < 3)
+ {
+ std::cerr << "Usage: " << argv[0] << "default-group gccxml-file1 gccxml-file2 ... " << std::endl;
+ return 1;
+ }
+
+ try
+ {
+ std::string group(argv[1]);
+ std::list<std::string> xmlfiles;
+ for (int i=2;i<argc;++i)
+ xmlfiles.push_back(argv[i]);
+
+ std::string prefix=group+"_";
+ std::list<t2n_procedure> procedures;
+ for (std::list<std::string>::iterator it=xmlfiles.begin();it!=xmlfiles.end();++it)
+ {
+ std::cerr << "Parse " << *it << std::endl;
+ Parser parser(*it);
+ const std::list<t2n_procedure> &p(parser.get_procedures());
+ std::copy(p.begin(), p.end(), std::back_inserter(procedures));
+ }
+
+ std::cerr << "All procedures:" << std::endl;
+ for (std::list<t2n_procedure>::const_iterator it=procedures.begin();it!=procedures.end();++it)
+ std::cerr << *it << ";" << std::endl;
+
+ std::string common_hpp_fname(prefix+"common.hxx");
+ std::string common_cpp_fname(prefix+"common.cpp");
+ std::string client_hpp_fname(prefix+"client.hxx");
+ std::string client_cpp_fname(prefix+"client.cpp");
+ std::string server_hpp_fname(prefix+"server.hxx");
+ std::string server_cpp_fname(prefix+"server.cpp");
+
+ header_file common_hpp(common_hpp_fname.c_str());
+ common_hpp << "// boost serialization is picky about order of include files => we have to include this one first\n"
+ << "#include \"codegen-stubhead.hxx\"\n"
+ << "#include \"" << group << ".hxx\"\n";
+
+ output_common_hpp(common_hpp, group, procedures);
+
+ cpp_file common_cpp(common_cpp_fname.c_str());
+ output_common_cpp(common_cpp, group, procedures, common_hpp_fname);
+
+ header_file client_hpp(client_hpp_fname.c_str());
+ client_hpp << "// boost serialization is picky about order of include files => we have to include this one first\n"
+ << "#include \"codegen-stubhead.hxx\"\n"
+ << "#include \"" << group << ".hxx\"\n";
+ output_client_hpp(client_hpp, group, procedures);
+
+ cpp_file client_cpp(client_cpp_fname.c_str());
+ output_client_cpp(client_cpp, group, procedures, common_hpp_fname, common_cpp_fname, client_hpp_fname);
+
+ header_file server_hpp(server_hpp_fname.c_str());
+ output_server_hpp(server_hpp, group, procedures, common_hpp_fname);
+
+ cpp_file server_cpp(server_cpp_fname.c_str());
+ output_server_cpp(server_cpp, group, procedures, common_hpp_fname, common_cpp_fname);
+ }
+ catch (const parse_error &e)
+ {
+ std::cerr << e.what() << std::endl;
+ return EXIT_FAILURE;
+ }
+ return EXIT_SUCCESS;
}